A day after parting ways with Jim Harbaugh, 49ers CEO Jed York said he was seeking a “teacher” in his next head-coaching hire and expressed a desire to “win with class.” With that in mind, it shouldn’t be surprising York alluded to both qualities today in a team-issued press release announcing their promotion of defensive line coach Jim Tomsula to head coach. …

During his 38-year coaching career in college and the NFL, now-retired Ted Tollner, 74, worked with a laundry list of low-level offensive assistants, often known as quality control coaches. In Tollner’s estimation, those young coaches could be split into two camps: Those that merely did the breaking-down-tape grunt work, and those who fulfilled their assignments and could subsequently offer useful suggestions based on the tape they’d seen. …